Zip is a file format used for data compression and archiving.

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Error unzipping file through ksh, unzip works through bash

I have an auto-generated zipfile foo.zip on a Red Hat server that needs to be extracted to a particular location /bar. This is done through an install script using ksh. When the script executes unzip ...
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49 views

How come zipping a created disk image, makes smaller files than piping?

Case 1. I use dd to create an image: dd if=/dev/rdiskx of=/path/to/image bs=1m. It's 16 GB in size. I zip it, and it's suddenly around 100 MB. Case 2. I use dd to create an image, piping it ...
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1answer
10 views

Unzip all non-existing or older files from archive

The behaviour I'd like with unzip is to extract all files, overwriting any that are older than those in the archive, not touching any that are the same age or newer, and to never prompt. The options ...
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2answers
159 views

Is there a way to convert a zip to a tar without extracting it to the filesystem?

Is there a way to convert a zip archive to a tar archive without extracting to a temporary directory first? (and without writing my own implementation of tar or unzip)
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4answers
59 views

Why can't tar extract .zip files? [closed]

I tried a majority of the formats (gzip, etc.) to extract a zip file with tar, and when I became frustrated enough to Google for it, I found no way to extract a zip file with tar and only ...
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1answer
25 views

Does “freshening” a zip file with the -FS option change the modification time of the file?

I have a zip file that I use as a backup for my work. I use the "freshen" option (-FS) whenever I want to update my backup file. However, the file shows the date of last modification as being the ...
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1answer
24 views

Pass list of folders to zip command

I have a folder which contains lot's of folders in it. I don't need to zip all of them and I have a list of folders that need to be zipped in a separate file The folder list is in the following ...
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42 views

zip command is failing during high memory usage

We have several perl scripts, which generates and emails reports. The script that emails the files expects a .zip extension. The report scripts generates a .txt or .xls file and then runs the ...
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151 views

How to zip a file and save it in another directory

How can I zip a file and save it in another directory using the command line? I have no space left in directory (100% full).
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2answers
412 views

Unzipping error

When I enter unzip ../founation-latest.zip, it outputs this: warning [../foundation-latest.zip]: 248 extra bytes at beginning or within zipfile (attempting to process anyway) The file is 138KB. ...
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3answers
582 views

Possible to get “old” time stamp behaviour?

When downloading a file or e.g. unzipping one, the time stamp is not set to when the file appeared on my harddisk, which is what I want. See this example ~$ wget ...
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49 views

Error when unzipping a file

I am getting the following error when unzipping a file unzip user_file_batch1.csv.zip Archive: user_file_batch1.csv End-of-central-directory signature not found. Either this file is not a ...
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295 views

How can I ignore “zip warning: name not matched” when using zip command with -d option?

I am creating an sh file to run multiple commands in the background. At some line in this file, there is a command to update a zip file like: zip -d archive.zip file.txt This file.txt might not be ...
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127 views

Bash: Zipping/grouping files by common substring

I have about 100 files. They are named like this. 3000_ABCD_XXXXXXX.csv 3000_ABCD_YYYYYYY.csv 3000_ABCD_XYXYZYZ.csv 3000_EFGH_XXXXXXX.csv 3000_EFGH_YYYYYYY.csv 3000_EFGH_XYXYZYZ.csv ...
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3answers
1k views

How to get extract/compress option on right clicking?

I am using Linux Mint 14 Nadia . Earlier whenever I right clicked any folder I got options like Extract it, Compress etc. But now I am not getting them . Probably I changed/deleted some of the ...
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2answers
90 views

Compress zip files with higher compression

I have a large number of zip files that were compressed using the zip command. I would like to recompress them with the -9 flag to improve the compression ratio. Does anyone know if that can be done ...
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1answer
17k views

How do you extract a single folder from a large tar.gz archive?

I am using this command on a 5GB archive tar -zxvf archive.tar.gz /folder/in/archive is this the correct way to do this? It seems to be taking forever with no command line output...
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1answer
20 views

Working with the option -x in zip

I can't manage to figure out the -x option in the command zip. I want to compress a working folder to save it as a backup, but I have some files and a directory that contains huge files that I don't ...
2
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1answer
57 views

Can p7zip create smaller zip files than winzip?

7-Zip for Windows creates smaller zip archives than WinZip, so presumably P7zip can create smaller zip archives than Zip in Linux. So how do I create zip files using P7zip in Linux?
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34 views

How to list files in a zip without extra information

en I use unzip -l test.zip I get the output like this: Archive: test.zip Length Date Time Name --------- ---------- ----- ---- 810000 05-07-2014 15:09 file1.txt 810000 ...
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4answers
328 views

Create directory if zip archive contains several files

If an archive contains several files in the root directory, I'd like to create a directory named after the file name (without extension). If an archive contains just a directory, then I'd like to ...
2
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1answer
150 views

Find & Delete directories in .zip files

Question 1 : In many .zip archive files I would like to delete directories anwsering to a name pattern. In a "normal" directory I used : find . -type d -name "pattern" -mtime +30| xargs rm -r Is ...
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Sending zip file containing plain txt file via email

How to send a plain txt file in a zip file via email in unix? The contents in the txt file should be word wrap.
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795 views

Add a file to a different path in a zip file

I have a file that placed in the following directory: folder_A/another_folder_A/file_to_add.xml Now, what I want to do is simply add the file to a folder in an existing zip archive. For example ...
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3answers
54 views

How to know the path to a specific file in a zip archive, without extracting it?

I only know the filename but not its exact location. I would like to extract only that file from the archive. And I need to know its location in the archive.
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Add file to deep inside a zip file

Say I want to add the file file.txt to foo.zip, I could just do zip -u foo.zip file.txt. However inside the zip-file there already exist a folder with the path foo.zip/very/many/paths/ (relatively to ...
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How to only zip the files of a specific user?

I like zip, it's simple, but recently I came with the need of only zipping the file owned by one user in a directory. I read the manual and I can't find any option to for example do things like: ...
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How can I force unzip / zip not to create a subdirectory when I extract it?

Depending on how a zip file is created, sometimes it will extract all of the files directly, and sometimes it will extract the files into a subdirectory. If the latter is true, how can I force the ...
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How to unzip a multipart (spanned) ZIP on Linux?

I need to upload a 400mb file to my web server, but I'm limited to 200mb uploads. My host suggested I use a spanned archive, which I've never done on Linux. I created a test in its own folder, ...
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555 views

Depsolving for php-pecl-zip

I'm having trouble getting rid of my depsolving errors, and I've been left to figure this one out on my own. It all started when I wanted to upgrade from PHP 5.2 to PHP 5.3 (heaven forbid), and I was ...
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2answers
4k views

How to extract only a specific folder from a zipped archive to a given directory?

How does one extract a specific folder from a zipped archive to a given directory? I tried using unzip "/path/to/archive.zip" "in/archive/folder/" -d "/path/to/unzip/to" but that only creates the ...
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148 views

Text substitution inside compressed files

I have several zip files, each one having several text files inside them. I want to substitute all occurrences of a in these text files with b, and leave them zipped with the same structure. If I ...
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71 views

Order a list of files, by date modified, then unzip them in that order

I have a list of zip files, that must be extracted by date modified, they contain updated images and the strange way the local mls provides them means that newer zip files container newer versions of ...
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833 views

How to zip recursively all subdirectories that only contain text files

I have a backup from a disk that contains data files and analysis. The dir structure and names are not really consistent. To save space, I would like to zip all the subdirs that only contain data ...
2
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1answer
105 views

tar.bz2 7zip selective extract prformance

We use tar.bz2 as our archive of server logs. We also write tools that selectively parse these archived logs. Many times I must regex-search one file’s lines in the archive to determine if other ...
2
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2answers
120 views

How to use `expect` with `zipcloak`?

I create a zip file using zip which includes several files and directories, named test.upd. Now I want to use expect to automatically handle the password encryption. Here are two bash scripts, both do ...
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4answers
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Is it possible in unix to search inside zip files

I have 100s of directories and within those I have a few zip files. Now there are images named abc.jpg in those zip files. The zip files may be in any folder or in any subfolder so its difficult to ...
2
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1answer
305 views

Facility on AIX to ZIP a list of files

I'm working with an external company who is using AIX (version unknown) as their platform. They are required to FTP me a ZIP file containing multiple files. Does the UNIX utility zip exist on a ...
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1answer
3k views

What's the difference between gunzip and unzip?

What is the difference between gunzip and unzip? Tried to search but couldn't find anything relevant with this.
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203 views

unzip a directory in unix [closed]

I tried to unzip a folder in Unix: $ unzip sample.zip This is creating the root structure a/b/c/d/e/f/sample. Please advise. I need to unzip a folder in the current directory.
6
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1answer
7k views

command to zip multiple directories into individual zip files

I have a single directory that contains dozens of directories inside of it. I'm new to command line and I'm struggling to come up with a command that will zip each sub-directory into a unique ...
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243 views

Create Zip for each subfolder but containing only matched files

I am trying to figure out how to create a zip file for each subfolder containing only files that match my criteria. For instance I have: Folder1 Folder2 Folder3 Each folder contains the same set ...
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4answers
2k views

How to unrar and unzip files recursively?

I have a huge file that contains zips and rars with zip and rar files located within on a linux box. I basically need a script or one-liner that will recursively hunt through the directories and ...
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1answer
464 views

extract only a specific folder Contents from a zipped archive to a given directory [duplicate]

This is very close to the SO How to extract only a specific folder from a zipped archive to a given directory? I need something close but I always get the folder with the contents, not it's contents ...
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2answers
450 views

Having trouble uncompressing a few files [duplicate]

So I have to uncompress 4 different files. When I do file file1 file file2 file file3 file file4 for example, different messages are displayed. For example one starts like "gzip compressed data, ...
6
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1answer
505 views

Unzipping certain archives works on Windows but not on Linux

I've asked a few people and just thought about asking it here. We get sent files from an international company for design work in a zip format. Well when I run a script to unzip the files in the ...
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3answers
170 views

zip a directory that name start with `-` [duplicate]

How can I zip a directory like -foo? $ zip "-foo" "-foo" shows only help page. I think -foo is recognized as a options, but I don't know how to solve it.
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1answer
264 views

Do any archive utilities exist that can preserve the date created file attribute on NTFS-3G?

I tried the -X switch on zip, but that did not save the date created attribute. I can get it using this method. When a file is added to a zip archive using 7-Zip, it preserves the date created and ...
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6answers
116k views

How do I zip/unzip on the unix command line?

How can I create and extract zip archives from the command line?
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3answers
2k views

speed up gzip compression

Is it possible to speed up the gzip process? I'm using mysqldump "$database_name" | gzip > $BACKUP_DIR/$database_name.sql.gz to backup a database into a directory, $BACKUP_DIR. the manpage ...